EP2931786A2 - Procédé de fabrication d'un macromonomère - Google Patents
Procédé de fabrication d'un macromonomèreInfo
- Publication number
- EP2931786A2 EP2931786A2 EP13803050.7A EP13803050A EP2931786A2 EP 2931786 A2 EP2931786 A2 EP 2931786A2 EP 13803050 A EP13803050 A EP 13803050A EP 2931786 A2 EP2931786 A2 EP 2931786A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- macromonomer
- carbon atoms
- mol
- independently
- radicals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 25
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 100
- 238000000034 method Methods 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 61
- 230000008569 process Effects 0.000 claims abstract description 46
- 238000002360 preparation method Methods 0.000 claims abstract description 36
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 173
- 239000004215 Carbon black (E152) Substances 0.000 claims description 78
- 229930195733 hydrocarbon Natural products 0.000 claims description 78
- 229910001414 potassium ion Inorganic materials 0.000 claims description 76
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 claims description 70
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 61
- 229910001415 sodium ion Inorganic materials 0.000 claims description 60
- 239000003054 catalyst Substances 0.000 claims description 58
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 claims description 42
- 239000000203 mixture Substances 0.000 claims description 35
- 125000005647 linker group Chemical group 0.000 claims description 34
- 125000002947 alkylene group Chemical group 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 16
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 14
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 13
- 125000001033 ether group Chemical group 0.000 claims description 12
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 11
- ACIAHEMYLLBZOI-ZZXKWVIFSA-N Unsaturated alcohol Chemical compound CC\C(CO)=C/C ACIAHEMYLLBZOI-ZZXKWVIFSA-N 0.000 claims description 8
- 150000003388 sodium compounds Chemical class 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 abstract description 76
- 239000000178 monomer Substances 0.000 abstract description 73
- -1 polyethylenoxy Polymers 0.000 abstract description 34
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 abstract description 6
- 239000004721 Polyphenylene oxide Substances 0.000 abstract description 4
- 229920000570 polyether Polymers 0.000 abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 114
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 113
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 96
- HMBNQNDUEFFFNZ-UHFFFAOYSA-N 4-ethenoxybutan-1-ol Chemical compound OCCCCOC=C HMBNQNDUEFFFNZ-UHFFFAOYSA-N 0.000 description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 239000000243 solution Substances 0.000 description 38
- 238000005481 NMR spectroscopy Methods 0.000 description 32
- 229910052799 carbon Inorganic materials 0.000 description 25
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 22
- 229920000642 polymer Polymers 0.000 description 18
- 238000004458 analytical method Methods 0.000 description 17
- OKKJLVBELUTLKV-VMNATFBRSA-N methanol-d1 Chemical compound [2H]OC OKKJLVBELUTLKV-VMNATFBRSA-N 0.000 description 17
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 16
- 238000001819 mass spectrum Methods 0.000 description 16
- 239000007858 starting material Substances 0.000 description 16
- 239000000047 product Substances 0.000 description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 9
- 125000005529 alkyleneoxy group Chemical group 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 9
- 150000004703 alkoxides Chemical class 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- SYURNNNQIFDVCA-UHFFFAOYSA-N 2-propyloxirane Chemical compound CCCC1CO1 SYURNNNQIFDVCA-UHFFFAOYSA-N 0.000 description 7
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 7
- 238000007046 ethoxylation reaction Methods 0.000 description 7
- 125000001165 hydrophobic group Chemical group 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 239000003208 petroleum Substances 0.000 description 6
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 230000008719 thickening Effects 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 229910006069 SO3H Inorganic materials 0.000 description 5
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- LXEKPEMOWBOYRF-UHFFFAOYSA-N [2-[(1-azaniumyl-1-imino-2-methylpropan-2-yl)diazenyl]-2-methylpropanimidoyl]azanium;dichloride Chemical compound Cl.Cl.NC(=N)C(C)(C)N=NC(C)(C)C(N)=N LXEKPEMOWBOYRF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007863 gel particle Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical compound [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- 229910018828 PO3H2 Inorganic materials 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 2
- 150000001350 alkyl halides Chemical class 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000005392 carboxamide group Chemical group NC(=O)* 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000006266 etherification reaction Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 125000000542 sulfonic acid group Chemical group 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 2
- AKUNSTOMHUXJOZ-UHFFFAOYSA-N 1-hydroperoxybutane Chemical compound CCCCOO AKUNSTOMHUXJOZ-UHFFFAOYSA-N 0.000 description 1
- AKEGTQKKWUFLBQ-UHFFFAOYSA-N 2,4,4-trimethyl-2-(prop-2-enoylamino)pentane-1-sulfonic acid Chemical compound CC(C)(C)CC(C)(CS(O)(=O)=O)NC(=O)C=C AKEGTQKKWUFLBQ-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- YQSVYZPYIXAYND-UHFFFAOYSA-N 2-(prop-2-enoylamino)butane-1-sulfonic acid Chemical compound OS(=O)(=O)CC(CC)NC(=O)C=C YQSVYZPYIXAYND-UHFFFAOYSA-N 0.000 description 1
- QENRKQYUEGJNNZ-UHFFFAOYSA-N 2-methyl-1-(prop-2-enoylamino)propane-1-sulfonic acid Chemical compound CC(C)C(S(O)(=O)=O)NC(=O)C=C QENRKQYUEGJNNZ-UHFFFAOYSA-N 0.000 description 1
- VSSGDAWBDKMCMI-UHFFFAOYSA-N 2-methyl-2-(2-methylprop-2-enoylamino)propane-1-sulfonic acid Chemical compound CC(=C)C(=O)NC(C)(C)CS(O)(=O)=O VSSGDAWBDKMCMI-UHFFFAOYSA-N 0.000 description 1
- NECRQCBKTGZNMH-UHFFFAOYSA-N 3,5-dimethylhex-1-yn-3-ol Chemical compound CC(C)CC(C)(O)C#C NECRQCBKTGZNMH-UHFFFAOYSA-N 0.000 description 1
- IDEYMPQPNBAJHG-UHFFFAOYSA-N 3-methyl-3-(prop-2-enoylamino)butane-1-sulfonic acid Chemical compound OS(=O)(=O)CCC(C)(C)NC(=O)C=C IDEYMPQPNBAJHG-UHFFFAOYSA-N 0.000 description 1
- 239000007848 Bronsted acid Substances 0.000 description 1
- 101100219382 Caenorhabditis elegans cah-2 gene Proteins 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 239000002168 alkylating agent Substances 0.000 description 1
- 229940100198 alkylating agent Drugs 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000005815 base catalysis Methods 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 1
- 229940008406 diethyl sulfate Drugs 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphonic acid group Chemical group P(O)(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- RZKYDQNMAUSEDZ-UHFFFAOYSA-N prop-2-enylphosphonic acid Chemical compound OP(O)(=O)CC=C RZKYDQNMAUSEDZ-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- FWFUWXVFYKCSQA-UHFFFAOYSA-M sodium;2-methyl-2-(prop-2-enoylamino)propane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(C)(C)NC(=O)C=C FWFUWXVFYKCSQA-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2696—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the process or apparatus used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/14—Monomers containing only one unsaturated aliphatic radical
- C08F216/1416—Monomers containing oxygen in addition to the ether oxygen, e.g. allyl glycidyl ether
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/062—Polyethers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2603—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
- C08G65/2606—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
- C08G65/2609—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
- C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
- C08G65/2645—Metals or compounds thereof, e.g. salts
- C08G65/2648—Alkali metals or compounds thereof
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- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/06—Clay-free compositions
- C09K8/12—Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/14—Monomers containing only one unsaturated aliphatic radical
- C08F216/1416—Monomers containing oxygen in addition to the ether oxygen, e.g. allyl glycidyl ether
- C08F216/1425—Monomers containing side chains of polyether groups
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- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/36—Pre-polymer
Definitions
- the present invention relates to a process for the preparation of hydrophobically associating macromonomers M and the novel macromonomers prepared by the process according to the invention.
- the macromonomers M include a copolymerizable ethylenically unsaturated group and a polyether structure in block form consisting of a polyethyleneoxy block and a hydrophobic polyalkyleneoxy block consisting of alkyleneoxy units having at least 4 carbon atoms.
- the macromonomers M may have a terminal polyethyleneoxy block.
- the macromonomers prepared by the process according to the invention are suitable for reaction with other monomers, in particular with acrylamide, to give a water-soluble, hydrophobically associating copolymer.
- Water-soluble, thickening polymers are used in many fields of technology, for example in the field of cosmetics, in food, for the production of cleaning agents, printing inks, emulsion paints or in the production of oil.
- An important class of thickening polymers are the so-called hydrophobically associating polymers.
- water-soluble polymers which have side or terminal hydrophobic groups, such as longer alkyl chains. In aqueous solution, such hydrophobic groups may associate with themselves or with other substances having hydrophobic groups. As a result, an associative network is formed, through which the medium is thickened.
- EP 705 854 A1 DE 100 37 629 A1 and DE 10 2004 032 304 A1 disclose water-soluble, hydrophobically associating copolymers and their use, for example in the field of construction chemistry.
- the copolymers described include acidic, basic or cationic monomers which impart water solubility to the polymers.
- hydrophobically associating copolymers in the field of mineral oil production, in particular for tertiary mineral oil production (Enhanced Oil Recovery, EOR). Details of the use of hydrophobically associating copolymers for tertiary petroleum production are reviewed, for example, in the review by Taylor, KC and Nasr-El-Din, HA in J. Petr. Be. Closely. 1998, 19, 265-280.
- One of the techniques of tertiary oil production is the so-called "polymer flooding.”
- An oil reservoir is not an underground “oil lake,” but the oil is held in tiny pores of the oil-bearing rock. The diameter of the cavities in the formation is usually only a few microns.
- an aqueous solution of a thickening polymer is injected through injection bores into a crude oil deposit.
- the petroleum is forced through said cavities in the formation from the injection well towards the production well, and the petroleum is pumped through the production well.
- the aqueous polymer solution does not contain any gel particles. Even small gel particles with dimensions in the micrometer range can clog the fine pores in the formation and thus bring the oil production to a standstill. Hydrophobic associating copolymers for tertiary mineral oil production should therefore have the lowest possible content of gel particles. In addition, the copolymers should have a good thickening effect, i. that the highest possible viscosity of the generally aqueous copolymer solutions is desired.
- the described macromonomers have an ethylenically unsaturated group and a polyether block structure which consists of a hydrophilic polyalkyleneoxy block consisting essentially of ethyleneoxy units and of a terminal, hydrophobic polyalkyleneoxy block consisting of alkyleneoxy units having at least 4 carbon atoms.
- the monomers described in this document have a polyalkyleneoxy block which is composed of ethylene oxide, propylene oxide and / or butylene oxide.
- the alkoxylation is preferably carried out at a temperature in the range from 120 to 160 ° C. and with the addition of an alkaline catalyst, for example potassium methoxide.
- Suitable monoethylenically unsaturated alcohols are used which are subsequently alkoxylated in a two-stage process, so that the abovementioned block structure is obtained.
- the alkoxylation is carried out with alkylene oxides having at least 4 carbon atoms.
- KOMe potassium methoxide
- the alkoxylation reaction is often carried out base catalysis.
- acid catalyzed alkoxylation using Bronsted or Lewis acids or catalytic alkoxylation for example using mixed hydroxides (e.g., DE 4325237 A1) or double metal cyanide catalysts (e.g., DE 102 43 361 A1), is also known.
- the alcohol used as the starting material is usually mixed with alkali metal hydroxides or alkali metal alkoxides in a pressure reactor and converted into the corresponding alkoxide. Subsequently, usually under inert gas atmosphere, for example, in several steps, the alkylene oxides are added. In order to control the reaction and avoid oversaturation of the reaction mixture with alkylene oxide, it is usually necessary to observe certain pressure and temperature ranges during the alkoxylation.
- WO 2010/133527 is intended to avoid the formation of crosslinking by-products, so that the preparation of copolymers with a low gel content should be possible.
- the prior art preparation methods are not a reliable method for preparing hydrophobically associating low gel copolymers. Fluctuating qualities of the copolymer were found, for example, with variation of pressure and reaction time during the alkoxylation steps, so that partially highly crosslinked copolymer products were obtained.
- the method should also be simple and inexpensive to carry out and satisfy the safety requirements with sufficient efficiency (for example, sufficiently short reaction times).
- n may be a number from 10 to 150 and m may be a number from 5 to 24. It can be assumed that, for example, dehydration or strand break leads to the formation of a double bond. In both cases, compounds with two double bonds form, ie crosslinking compounds. It has been found that the higher the temperature, and the longer the reaction lasts, the more frequently these undesirable side reactions occur.
- KOMe potassium methoxide
- NaOMe sodium methoxide
- Pentylene oxide and / or butylene oxide react much slower than ethylene oxide, therefore, the elimination side reactions in the alkoxylation with pentylene oxide and / or butylene oxide have a more pronounced effect.
- H 2 C C (R 1 ) -R 2 -O - (- CH 2 -CH 2 -O-) k - (- CH 2 -CH (R 3 ) -O-) i - (- CH 2 -CH 2 -O- ) m -R 4 (I) wherein the units (-CH 2 -CH 2 -O-) k and (-CH 2 -CH (R 3 ) -O-) i and optionally - (- CH 2 -CH 2 -0-) m are arranged in block structure in the order shown in formula (I); where the radicals and indices have the following meanings:
- k is a number from 10 to 150, preferably from 10 to 50, more preferably from
- I is a number from 5 to 25, preferably from 7 to 18, particularly preferably from 8.5 to 17.25;
- m is a number from 0 to 15, preferably from 0 to 10, preferably 0 to 5, particularly preferably from 0.1 to 10, particularly preferably from 0.5 to 10, particularly preferably 0.5 to 5;
- R 1 is H or methyl
- R 2 is independently a single bond or a divalent linking group selected from the group consisting of - (C n H 2n) - and -O- (C n H 2n ') -, where n is a natural number from 1 to 6 and n 'is a natural number from 2 to 6;
- R 3 is independently of one another a hydrocarbon radical having at least 2 carbon atoms, preferably having 2 to 14, more preferably having 2 to 4 carbon atoms, more preferably ethyl and / or n-propyl, or an ether group of the general formula -CH 2 -OR 3 ' , wherein R 3 'is a hydrocarbon radical having at least 2 carbon atoms;
- R 4 is independently H or a hydrocarbon radical of 1 to 4 carbon atoms; comprising the steps
- H 2 C C (R 1 ) -R 2 -OH (II), with ethylene oxide, wherein the radicals R 1 and R 2 have the meanings defined above; with the addition of an alkaline catalyst K1 comprising KOMe and / or NaOMe;
- an alkaline catalyst K2 wherein the concentration of potassium ions in the reaction in step b) less than or equal to 0.9 mol%, preferably less than 0.9 mol%, preferably in the range of 0.01 to 0.9 mol%, particularly preferably 0.01 to 0.5 mol%, based on the alcohol used A2, is; and wherein the reaction in step b) is carried out at a temperature of less than or equal to 135 ° C, preferably less than 135 ° C, more preferably less than or equal to 130 ° C; where an alkoxylated alcohol A3 according to the formula (III),
- H 2 C C (R 1 ) -R 2 -O - (- CH 2 -CH 2 -O-) k - (- CH 2 -CH (R 3 ) -O-) iR 4
- R 4 H is obtained wherein the radicals R 1 , R 2 and R 3 and the indices k and I have the meanings defined above;
- the invention relates to the process described above for preparing a macromonomer M of the general formula (I), where k is a number from 10 to 150, preferably from 10 to 50, particularly preferably from 15 to 35, particularly preferably from 20 to 28, very particularly preferably from 23 to 26.
- the invention relates to the method according to the invention described above, with I: is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to 25, preferably from 7 to 23, particularly preferably from 7 to 18, particularly preferably from 8.5 to 17.25.
- the present invention further relates to a macromonomer obtainable by the process according to the invention.
- the macromonomer M of the present invention can be copolymerized with at least one monoethylenically unsaturated hydrophilic monomer (b) and impart hydrophobic associating properties to the resulting copolymer. It is therefore also referred to below as hydrophobically associating macromonomer M.
- Step a) of the process according to the invention comprises the reaction of a monoethylenically unsaturated alcohol A1 with ethylene oxide with addition of an alkaline catalyst K1 comprising KOMe (potassium methoxide) and / or NaOMe (sodium methoxide) to give an alkoxylated alcohol A2.
- KOMe potassium methoxide
- NaOMe sodium methoxide
- step a), b), c) and / or d mean that the respective step is carried out wholly or partly under the stated conditions.
- step a) first comprises the reaction of the monoethylenically unsaturated alcohol A1 with the alkaline catalyst K1.
- the alcohol A1 used as starting material is mixed with an alkaline catalyst K1 in a pressure reactor.
- reduced pressure typically less than 100 mbar, preferably in the range of 50 to 100 mbar and / or increasing the temperature typically in the range of 30 to 150 ° C, water and / or low boilers still present in the mixture can be withdrawn.
- the alcohol is then present essentially as a corresponding alkoxide.
- the reaction mixture is typically treated with inert gas (e.g., nitrogen).
- step a) comprises the addition of ethylene oxide to that of a mixture of alcohol A1 and alkaline catalyst K1 (as described above).
- the reaction mixture is typically allowed to react.
- the addition and / or after-reaction typically takes place over a period of from 2 to 36 h, preferably from 5 to 24 h, particularly preferably from 5 to 15 h, particularly preferably from 5 to 10 h.
- the duration of the post-reaction is typically between 0.5 to 1 h.
- inclusive optional relaxation ie the interim reduction of the pressure, for example from 6 bar to eg 3 bar absolute
- including post-reaction is typically over a period of 2 to 36 hours, preferably from 5 to 24 hours, most preferably from 5 to 15 hours, more preferably from 5 to 10 hours.
- Step a) is typically carried out at temperatures of 60 to 180 ° C, preferably from 130 to 150 ° C, more preferably from 140 to 150 ° C.
- step a) comprises the addition of the ethylene oxide to the mixture of alcohol A1 and alkaline catalyst K1 at a temperature of 60 to 180 ° C, preferably from 130 to 150 ° C, particularly preferably from 140 to 150 ° C.
- the addition of the ethylene oxide to the mixture of alcohol A1 and alkaline catalyst K1 preferably takes place at a pressure in the range from 1 to 7 bar, preferably in the range from 1 to 5 bar.
- the addition in step a) is typically carried out at a pressure in the range of 1 to 3.1 bar, preferably 1 to 2.1 bar.
- the addition of ethylene oxide and / or the post-reaction are carried out at the abovementioned pressures.
- the addition of the ethylene oxide to the mixture of alcohol A1 and alkaline catalyst K1 preferably takes place at a pressure in the range from 1 to 7 bar, preferably in the range from 1 to 6 bar.
- the addition in step a) is typically carried out at a pressure in the range from 1 to 4 bar, preferably from 1 to 3.9 bar, preferably from 1 to 3.1 bar.
- the addition of ethylene oxide and / or the post-reaction are carried out at the abovementioned pressures.
- step a) comprises the addition of the ethylene oxide to a mixture of alcohol A1 and alkaline catalyst K1 over a period of less than or equal to 36 h, preferably less than or equal to 32 h, more preferably over a period of from 2 to 32 h, especially preferably above a period of 5 to 15 h, and at a pressure of less than or equal to 5 bar, preferably at 1 to 3.1 bar, more preferably 1 to 2, 1 bar.
- the above period comprises the addition of ethylene oxide and / or the post-reaction.
- step a) comprises the addition of the ethylene oxide to a mixture of alcohol A1 and alkaline catalyst K1 over a period of less than or equal to 36 h, preferably less than or equal to 32 h, more preferably over a period of from 2 to 32 h, especially preferably above a period of 5 to 15 h, and at a pressure of less than or equal to 5 bar, preferably at 1 to 4 bar, preferably from 1 to 3.9 bar, preferably from 1 to 3.1 bar.
- the above period comprises the addition of ethylene oxide and / or the post-reaction.
- step a) of the process according to the invention can be carried out in one or more ethoxylation steps.
- step a) comprises the following steps:
- step a) comprises the following steps
- the alkaline catalyst K1 contains in particular 10 to 100 wt .-%, preferably 20 to 90 wt .-% KOMe and / or NaOMe.
- the catalyst K1 may contain, in addition to KOMe and / or NaOMe, further alkaline compounds and / or a solvent (especially a C1 to C6 alcohol).
- a further alkaline compound can be selected from alkali metal hydroxides, alkaline earth metal hydroxides, C 2 to C 6 potassium alkoxides, C 2 to C 6 sodium alkoxides (preferably ethanolate), alkaline earth alkoxides (in particular C 1 to C 6 alkoxides, preferably methanolate and / or ethanolate).
- the catalyst K1 preferably contains at least one further alkaline compound selected from sodium hydroxide and potassium hydroxide.
- the alkaline catalyst K1 is made COM or from a solution of KOMe in methanol (MeOH). Typically, a solution of 20 to 50% by weight KOMe in methanol (MeOH) can be used.
- the alkaline catalyst K1 is NaOMe or a solution of NaOMe in methanol.
- the catalyst K1 consists of a mixture of KOMe and NaOMe or a solution of KOMe and NaOMe in methanol.
- the concentration of potassium ions in step a) is preferably less than or equal to 0.4 mol%, based on the total amount of the alcohol A1 used, particularly preferably 0.1 to 0.4 mol%.
- KOMe is added in such an amount that the concentration is above 0.9 mol% based on the alkoxylated alcohol A2 (product of process step a))
- KOMe must be completely or partially separated before step b) in order to obtain a potassium To obtain ion concentration of less than 0.9 mol% in process step b). This can be done, for example, by isolating the alkoxylated alcohol A2 after step a) and optionally purifying it.
- KOMe is used in such an amount that the concentration of potassium ions after the reaction in step a) is already less than or equal to 0.9 mol% based on A2.
- Step b) of the process according to the invention comprises the reaction of the alkoxylated alcohol A2 with at least one alkylene oxide Z with the addition of an alkaline catalyst K2, where an alkoxylated alcohol A3 according to the formula (III)
- step b) first comprises the reaction of the alkoxylated alcohol A2 with the alkaline catalyst K2.
- the alcohol A2 is added to the alkaline catalyst K2 in a pressure reactor.
- reduced pressure typically less than 100 mbar, preferably in the range of 50 to 100 mbar, more preferably from 30 to 100 mbar and / or increase in temperature, typically in the range of 30 to 150 ° C, water still present in the mixture and / or low boilers are deducted.
- the alcohol is then present essentially as a corresponding alkoxide.
- the reaction mixture is typically treated with inert gas (eg nitrogen).
- step b) comprises the addition of the at least one alkylene oxide Z to the above-described mixture of alcohol A2 and alkaline catalyst K2.
- the reaction mixture is typically allowed to react.
- the addition and / or after-reaction typically takes place over a period of from 2 to 36 hours, preferably from 5 to 24 hours, particularly preferably from 5 to 20 hours, particularly preferably from 5 to 15 hours.
- the addition of inclusive optional relaxation and including post-reaction is typically over a period of 2 to 36 hours, preferably from 5 to 30 hours, more preferably from 10 to 28 hours, most preferably from 1 to 24 hours.
- the concentration of potassium ions in the reaction in step b) is less than or equal to 0.9 mol%, preferably less than 0.9 mol%, preferably from 0.01 to 0.9 mol%, particularly preferably from 0.1 to 0.6 mol%, based on the alcohol used A2. In a preferred embodiment, the concentration of potassium ions in the reaction in step b) 0.01 to 0.5 mol% based on the alcohol used A2.
- the concentration of potassium ions in the reaction in step b) is less than or equal to 0.9 mol%, preferably 0.1 to 0.5 mol%, based on the alcohol A2 used and the reaction in step b) is carried out at temperatures of 120 to 130 ° C.
- the alkaline catalyst K2 preferably contains at least one alkaline compound selected from alkali metal hydroxides, alkaline earth metal hydroxides, alkali metal alkoxides (especially C1 to C6 alkoxides, preferably methanolate and / or ethanolate), alkaline earth alkoxides (especially C1 to C6 alkoxides, preferably methanolate and / or ethanolate).
- the catalyst K2 preferably comprises at least one basic sodium compound, in particular selected from NaOH, NaOMe, and NaOEt, particularly preferably NaOMe or NaOH.
- a mixture of said alkaline compounds can be used, preferably the catalyst K2 consists of one of said basic compounds or mixtures of said alkaline compounds.
- the alkaline catalyst K2 is NaOMe or a solution of NaOMe in methanol (MeOH). Typically, a solution of 20 to 50 wt% NaOMe in methanol (MeOH) can be used. Preferably, the catalyst K2 contains no KOMe.
- step b) preference is given to using a catalyst K 2 comprising at least one basic sodium compound, in particular selected from NaOH, NaOMe, and NaOEt, the concentration of sodium ions in the reaction in step b) being in the range from 3.5 to 12 mol%, preferably from 3.5 to 10 mol%, particularly preferably from 3.5 to 7 mol%, very particularly preferably from 4 to 5.5 mol%, based on the alcohol A2 used.
- the reaction in step b) is carried out at a temperature of less than or equal to 135 ° C., preferably less than or equal to 130 ° C.
- the reaction in step b) is preferably carried out at from 60 to 135.degree. C., preferably from 100 to 135.degree.
- step b) comprises the addition of the at least one alkylene oxide Z to a mixture of alcohol A2 and alkaline catalyst K2 at a temperature of less than or equal to 135 ° C, preferably less than or equal to 130 ° C, particularly preferably at temperatures of 60 to 135 ° C, more preferably at 100 to 135 ° C, more preferably at 120 to 130 ° C.
- step b) is carried out at a pressure in the range from 1 to 6 bar, preferably from 1 to 3.1 bar, more preferably from 1 to 2.1 bar.
- the reaction in step b) is preferably carried out at a pressure in the range from 1 to 6 bar, preferably from 1 to 3.1 bar or preferably from 4 to 6 bar, if R 3 is a hydrocarbon radical having 2 carbon atoms.
- R 3 is a hydrocarbon radical having 2 carbon atoms.
- the addition of alkylene oxide Z and / or the post-reaction are carried out at the abovementioned pressure.
- step b) is carried out at a pressure in the range from 1 to 3.1 bar, preferably from 1 to 2.1 bar.
- the reaction in step b) is preferably carried out at a pressure in the range of less than or equal to 3.1 bar (preferably 1 to 3.1 bar), if R 3 is a hydrocarbon radical having 2 carbon atoms, or at a pressure of less than or equal to 2.1 bar (preferably 1 to 2.1 bar), if R 3 is a hydrocarbon radical having more than 2 carbon atoms.
- the addition of alkylene oxide Z and / or the post-reaction are carried out at the abovementioned pressure.
- step b) comprises the addition of the at least one alkylene oxide Z to a mixture of alcohol A2 and alkaline catalyst K2 at a pressure in the range from 1 to 3.1 bar, preferably from 1 to 2.1 bar.
- R 3 is a hydrocarbon radical having 2 carbon atoms and step b) comprises adding the at least one alkylene oxide Z to a mixture of alcohol A2 and alkaline catalyst K2 at a pressure in the range of 1 to 3.1 bar; or preferably R 3 is a hydrocarbon radical having at least 3 carbon atoms (preferably having 3 carbon atoms) and step b) comprises adding the at least one alkylene oxide Z to a mixture of alcohol A 2 and alkaline catalyst K 2 at a pressure in the range of 1 to 2 , 1 bar.
- step b) is carried out at a pressure in the range from 1 to 3.1 bar (preferably at the abovementioned pressures) and at a temperature of 120 to 130 ° C.
- step b) comprises the addition of the at least one alkylene oxide Z to a mixture of alcohol A2 and alkaline catalyst K2 over a period of less than or equal to 36 hours, preferably less than or equal to 32 hours, more preferably one Period from 2 to 32 h, more preferably from 1 1 to 24 h, most preferably over a period of 5 to 24 h, and at a pressure of less than or equal to 3.1 bar (preferably at the above pressures).
- step c) comprises the reaction of the entire alkoxylated alcohol A3 with ethylene oxide.
- the optional step c) is carried out in particular without further addition of an alkaline catalyst.
- the optional step c) is especially at a pressure in the range of 1 to 7 bar, preferably from 1 to 5 bar, and a temperature in the range of 60 to 140 ° C, preferably from 120 to 140 ° C, particularly preferably from 125 to 135 ° C, performed.
- the ethoxylation in optional step c) takes place in particular over a period of 0.5 to 7 h, in particular 0.5 to 5 h, preferably from 0.5 to 4 h.
- the optional step c) is carried out in particular without further addition of an alkaline catalyst.
- the optional step c) is especially at a pressure in the range of 1 to 7 bar, preferably from 1 to 6 bar, and a temperature in the range of 60 to 140 ° C, preferably from 120 to 140 ° C, particularly preferably from 120 to 135 ° C, performed.
- the ethoxylation in optional step c) takes place in particular over a period of 0.5 to 7 h, in particular from 1 to 5 h, preferably from 1 to 4 h.
- the optional step c) preferably comprises the addition of ethylene oxide to the reaction mixture according to step b) containing the alkoxylated alcohol A3 of the formula (III) without further workup and / or depressurization.
- the reaction mixture is typically allowed to react.
- the addition and / or after-reaction typically takes place over a period of 0.5 to 10 h, in particular 0.5 to 7, in particular 0.5 to 5 h, preferably from 0.5 to 4 h.
- the addition, including optional relaxation and including post-reaction is typically carried out over a period of 0.5 to 10 hours, in particular from 2 to 10 hours, particularly preferably from 4 to 8 hours.
- the implementation of optional step c), ie a final ethoxylation can cause alkylene oxide Z, which is still present in the reaction mixture after step b), to be reacted off and removed.
- the process according to the invention may optionally comprise step d), the alkoxylated alcohol A3 and / or A4 being etherified with a compound R 4 -X, where X is a leaving group, preferably selected from Cl, Br, I, -O-SO 2 - CH 3 (mesylate), -O-SO 2 -CF 3 (triflate), and -O-SO 2 -OR 4 .
- X is a leaving group, preferably selected from Cl, Br, I, -O-SO 2 - CH 3 (mesylate), -O-SO 2 -CF 3 (triflate), and -O-SO 2 -OR 4 .
- this can be done in principle known to the skilled man, the usual alkylating agents such as alkyl sulfates and / or alkyl halides.
- the compound R 4 -X may be alkyl halides.
- etherification it is also possible in particular to use dimethyl sulfate or diethyl sulfate. The etherification is only an option that can be selected by the skilled person depending on the desired properties of the copolymer.
- the macromonomer M of formula (I) may have another polyethyleneoxy block - (- CH 2 -CH 2 -O-) m .
- the terminal polyalkyleneoxy radical - (- CH 2 -CH (R 3 ) -O-) i or - (- CH 2 -CH 2 -O-) m has either a terminal OH group or a terminal ether group -OR 4 .
- the orientation of the hydrocarbon radicals R 3 may depend on the conditions of the alkoxylation, for example the catalyst chosen for the alkoxylation.
- the alkyleneoxy groups can be in the orientation - (- CH 2 -CH (R 3 ) -O-) or in inverse orientation
- the groups - (C n H 2n ) -, and - (Cn H 2 n ') - are linear aliphatic hydrocarbon groups.
- R 2 is a group selected from -CH 2 - or -O-CH 2 -CH 2 -CH 2 -, very particularly preferably -O-CH 2 -CH 2 -CH 2 -CH 2 -.
- the macromonomers (M) according to the invention furthermore have a polyalkyleneoxy radical which consists of the units (-CH 2 -CH 2 -O-) k, (-CH 2 -CH (R 3 ) -O-) i and optionally - (- CH 2 -CH 2 -0-) m, wherein the units are arranged in block structure in the order shown in formula (I).
- the transition between the blocks can be abrupt or continuous.
- the block - (- Ch -CI- O- is a polyethyleneoxy radical.
- the number of alkyleneoxy units k is a number from 10 to 150, preferably 12 to 100, particularly preferably 15 to 80, very particularly preferably 23 to 26 and for example about 24.5. It will be apparent to those skilled in the art of polyalkylene oxides that the numbers given are means of distribution.
- the radicals R 3 are independently hydrocarbon radicals having at least 2 carbon atoms, preferably 2 to 14 carbon atoms, preferably 2 to 4, and especially preferably with 2 or 3 carbon atoms. It may be an aliphatic and / or aromatic, linear or branched hydrocarbon radical. Preference is given to aliphatic radicals.
- R 3 examples include ethyl, n-propyl, n-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, n-nonyl or n-decyl and also phenyl.
- suitable radicals include n-propyl, n-butyl and n-pentyl.
- R 3 is particularly preferably ethyl and / or n-propyl.
- radicals R 3 include ethyl, n-propyl, n-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, n-nonyl, n-decyl, n-dodecyl, n-tetradecyl and phenyl.
- the sum of the carbon atoms in all hydrocarbon radicals R 3 or R 3 ' is preferably in the range from 15 to 60, preferably from 15 to 56, particularly preferably from 15 to 50, particularly preferably from 25.5 to 50, more preferably from 25.5 to 34.5.
- the sum of the carbon atoms in all hydrocarbon radicals R 3 or R 3 ' is preferably in the range from 25.5 to 34.5.
- a preferred embodiment relates to a method described above for preparing a macromonomer M, wherein R 3 is ethyl and I is a number from 7.5 to 30, preferably from 7.5 to 28, preferably from 7.5 to 25, particularly preferably from 12 , 75 to 25, particularly preferably from 13 to 23, particularly preferably from 12.75 to 17.25, for example 14, 16 or 22, is.
- a preferred embodiment relates to a process described above for preparing a macromonomer M, wherein R 3 is ethyl and I is a number from 12.75 to 17.25, in particular 13 to 17, for example 14 or 16, is.
- a further preferred embodiment relates to a method described above for preparing a macromonomer M, wherein R 3 is n-propyl and I is a number from 8.5 to 1 1, 5, preferably 9 to 1 1, for example 10 or 1 1, is.
- radicals R 3 may furthermore be ether groups of the general formula -CH 2 -O-R 3 ' , where R 3' is an aliphatic and / or aromatic, linear or branched hydrocarbon radical having at least 2 carbon atoms, preferably 2 to 10 carbon atoms, preferably at least 3, is.
- radicals R 3 ' include n-propyl, n-butyl, n-pentyl, n-hexyl, 2-ethylhexyl, n-heptyl, n-octyl, n-nonyl, n-decyl or phenyl.
- radicals R 3 ' include n-propyl, n-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, n-nonyl, n-decyl, n-dodecyl, n-tetradecyl and phenyl.
- the block - (- CH 2 -CH (R 3 ) -O-) i- is therefore a block which consists of alkyleneoxy units having at least 4 carbon atoms, preferably at least 5 carbon atoms and / or glycidyl ethers having an ether group of at least 2, preferably at least 3 carbon atoms.
- the building blocks of the second terminal block are particularly preferably alkyleneoxy units comprising at least 4 and / or 5 carbon atoms, such as butyleneoxy units and / or pentyleneoxy units or units of higher alkylene oxides.
- the number of alkyleneoxy units I is a number from 5 to 25, preferably 6 to 20, particularly preferably 8 to 18, very particularly preferably 8.5 to 17.25. It will be apparent to those skilled in the art of polyalkylene oxides that the numbers given are means of distribution. In a further embodiment, the invention relates to the process described above, wherein the number of alkyleneoxy units I is from 5 to 30, preferably from 5 to 28, preferably from 5 to 25, preferably from 7 to 23, more preferably from 7 to 18, more preferably from 8.5 to 17.25. It will be apparent to those skilled in the art of polyalkylene oxides that the numbers given are means of distribution.
- a macromonomer M according to formula (I) and a process for its preparation wherein k is a number from 23 to 26 and I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to 25, preferably from 7 to 23, more preferably from 7 to 18, particularly preferably from 8.5 to 17.25, with the proviso that the sum of the carbon atoms in all hydrocarbon radicals R 3 or R 3 'is in the range from 15 to 60, preferably from 15 to 56, in particular from 15 to 50, preferably from 25.5 to 34.5.
- a macromonomer M according to formula (I) and a process for its preparation wherein k is a number from 23 to 26 and I is a number from 8.5 to 17.25, with the proviso that the sum of the carbon atoms in all hydrocarbon radicals R 3 or R 3 ' in the range of 25.5 to 34.5.
- the optional block - (- CH2-CH2-0-) m is a polyethyleneoxy radical.
- the number of alkyleneoxy units m is a number from 0 to 15, preferably from 0 to 10, particularly preferably from 0.1 to 15, particularly preferably from 0.1 to 10, particularly preferably from 0.5 to 5, further preferably from 0.5 to 2.5.
- m 0 (i.e., optional step c) is not performed). It will be apparent to those skilled in the art of polyalkylene oxides that the numbers given are means of distribution.
- m is greater than 0 (i.e., the optional step c) is performed).
- m is a number from 0.1 to 15, preferably from 0.1 to 10, particularly preferably from 0.5 to 10, particularly preferably from 1 to 7, more preferably from 2 to 5.
- the numbers mentioned are mean values of distributions.
- the present application relates to a process for the preparation of a macromonomer M of the general formula (I)
- an ethoxylation of the alkoxylated alcohol A3 in step c) is preferably carried out on already ethoxylated chains, since the primary alkoxide group is more active in comparison to the secondary alcoholate group of the alcohol A3.
- the radical R 4 is H or a preferably aliphatic hydrocarbon radical having 1 to 30 carbon atoms, preferably 1 to 10 and particularly preferably 1 to 5 carbon atoms.
- R 4 is preferably H, methyl or ethyl, particularly preferably H or methyl and very particularly preferably H.
- the transition between the blocks may be abrupt or continuous, depending on the nature of the preparation.
- a continuous transition there is still a transition zone between the blocks, which comprises monomers of both blocks.
- the block boundary to the center of the transition zone can corresponding to the first block - (- CH2-CH2-0-) k small amounts of units -CH 2 CH (R 3) -0- and the second block - (- CH2-CH (R 3) -0-) i- have small amounts of units -CH2-CH2-O-, wherein these units are not randomly distributed over the block, but arranged in said transition zone.
- the optional third block (-CH 2 -CH 2 -O-) m may contain minor amounts of units - (- CH 2 -CH (R 3 ) -O -) -.
- the present invention relates to a process for preparing a macromonomer M according to formula (I), wherein the units (-CH 2 -CH 2 -O-) k and (-CH 2 -CH (R 3 ) -O-) i and optionally - (- CH 2 -CH 2 -O-) m arranged in block structure in the order shown in formula (I).
- Block structure in the sense of the present invention means that the blocks are composed of at least 85 mol%, preferably at least 90 mol%, particularly preferably at least 95 mol%, based on the total amount of substance of the respective blocks, of the corresponding units. This means that the blocks in addition to the corresponding units small amounts of other units (especially other Polyalkylenoxyhuien) may have.
- the optional polyethyleneoxy block - (- CH 2 -CH 2 -O-) m contains at least 85 mol%, preferably at least 90 mol%, based on the total amount of polyethyleneoxy block - (- CH 2 -CH 2 -O-) m the unit (-CH2-CH2-O-).
- the optional polyethyleneoxy block - (- CH 2 -CH 2 -O-) m consists of from 85 to 95 mol% of the unit (-CH 2 -CH 2 -O-) and from 5 to 15 mol% of the unit (- CH 2 -CH (R 3) -0-).
- radicals and indices preferably have the following meanings:
- R 2 is independently a divalent linking group -O-
- R 3 is independently a hydrocarbon radical of 2 to 4
- R 4 is H.
- radicals and indices have the following meanings:
- k is a number from 20 to 28;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to
- m is a number from 0 to 15, preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 3 is independently a hydrocarbon radical of 2 to 4
- Carbon atoms provided that the sum of the carbon atoms in all hydrocarbon radicals R 3 or R 3 'is in the range of 15 to 60, preferably 15 to 56, preferably 15 to 50;
- R 4 is H.
- radicals and indices have the following meanings:
- k is a number from 23 to 26;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to
- m is a number from 0 to 15, preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 3 is independently a hydrocarbon radical of 2 to 4
- Carbon atoms provided that the sum of the carbon atoms in all hydrocarbon radicals R 3 or R 3 'is in the range of 15 to 60, preferably 15 to 56, preferably 15 to 50;
- R 4 is H. Most preferably, the radicals and indices have the following meanings:
- k is a number from 23 to 26;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to
- m is a number from 0.1 to 10, preferably from 0.5 to 10, particularly preferably from 2 to 5;
- R is H
- R 2 is independently a divalent linking group
- R 3 is independently a hydrocarbon radical of 2 to 4
- Carbon atoms provided that the sum of the carbon atoms in all hydrocarbon radicals R 3 or R 3 'is in the range of 15 to 60, preferably 15 to 56, preferably 15 to 50;
- R 4 is H.
- radicals and indices have the following meanings:
- k is a number from 23 to 26;
- I is a number from 8.5 to 17.25;
- m is a number from 0 to 15, preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 3 is independently a hydrocarbon radical of 2 to 4
- R 4 is H.
- the present invention relates to a process described above for preparing a macromonomer M of the formula (I), characterized in that the radicals and indices have the following meanings:
- k is a number from 20 to 28;
- I is a number from 7.5 to 30, preferably from 7.5 to 28, preferably from
- m is a number from 0 to 15; preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 4 is H.
- the present invention relates to a process described above for preparing a macromonomer M of the formula (I), characterized in that the radicals and indices have the following meanings:
- k is a number from 23 to 26;
- I is a number from 7.5 to 30, preferably from 7.5 to 28, preferably from
- m is a number from 0 to 15; preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 4 is H.
- the present invention relates to a process described above for preparing a macromonomer M of the formula (I), characterized in that the radicals and indices have the following meanings:
- k is a number from 23 to 26;
- I is a number from 7.5 to 30, preferably 7.5 to 28, preferably 7.5 to
- m is a number from 0.1 to 10, preferably from 0.5 to 10, particularly preferably from 2 to 5;
- R is H
- R 2 is independently a divalent linking group
- R 4 is H.
- the present invention relates to a process described above for preparing a macromonomer M of the formula (I), characterized in that the radicals and indices have the following meanings:
- k is a number from 23 to 26;
- I is a number from 12.75 to 17.25, especially from 13 to 17, for example 14 or 16;
- m is a number from 0 to 15; preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 4 is H.
- the present invention relates to a process described above for preparing a macromonomer M of the formula (I), characterized in that the radicals and indices have the following meanings:
- k is a number from 23 to 26;
- I is a number from 8.5 to 1, 5, preferably from 9 to 1, for example
- m is a number from 0 to 15, preferably from 0 to 10; preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- n' is a natural number from 3 to 5
- R 3 is n-propyl
- R 4 is H.
- the present invention also relates to the hydrophobically associating macromonomers prepared by the process of the present invention and the hydrophobically-associating copolymers prepared from the macromonomers.
- Hydrophobic associating macromonomers or copolymers in the context of the invention are water-soluble macromonomers or copolymers which have side or terminal hydrophobic groups.
- the hydrophobic groups can associate with themselves or with other hydrophobic groups having substances and thicken by this interaction, the aqueous medium.
- solubility of hydrophobically associating macromonomers or copolymers in water can be more or less dependent on the pH, depending on the nature of the monomers used.
- the reference point for the assessment of the water solubility should therefore be in each case the desired pH value for the respective intended use of the copolymer.
- a copolymer which, at a certain pH, has insufficient solubility for its intended use may have sufficient solubility at a different pH.
- water-soluble also encompasses alkali-soluble dispersions of polymers, that is to say polymers which are present in the acidic pH range as dispersions and only dissolve in water in the alkaline pH range and develop their thickening action.
- the copolymers of the present invention should be miscible with water in any proportion. However, according to the invention it is sufficient if the copolymers are water-soluble at least at the desired use concentration and at the desired pH. As a rule, the solubility in water at room temperature should be at least 20 g / l, preferably at least 50 g / l and particularly preferably at least 100 g / l.
- k is a number from 10 to 150, preferably from to 10 to 50, more preferably from 15 to 35, most preferably from 23 to 26;
- I is a number from 5 to 25, preferably from 7 to 18, particularly preferably from
- n is a number from 0 to 15, preferably 0 to 10, particularly preferably from 0.1 to 10, particularly preferably from 0.5 to 5, particularly preferably 0.5 to 2.5;
- R 1 is H or methyl;
- R 2 is independently a single bond or a divalent linking group selected from the group consisting of - (CnF n) - and -O- (Cn H2n ') -, wherein n is a natural number from 1 to 6 and n 'is a natural number from 2 to 6;
- R 3 is independently a hydrocarbon radical having at least 2 carbon atoms, preferably having 2 to 10, more preferably having 2 to 4 carbon atoms, or an ether group of the general formula -CH 2 -OR 3 ' , wherein R 3' is a hydrocarbon radical having at least 2 Carbon atoms;
- R 4 is independently H or a hydrocarbon radical of 1 to 4 carbon atoms; obtainable by a method according to the invention described above.
- the invention relates to the above-described macromonomer M of the general formula (I) obtainable by a method according to the invention described above, with
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to 25, preferably from 7 to 23, particularly preferably from 7 to 18, particularly preferably from 8.5 to 17.25.
- the invention relates to the above-described macromonomer M of the general formula (I) obtainable by a process according to the invention described above, where k is a number from 10 to 150, preferably from 10 to 50, particularly preferably from 15 to 35, particularly preferred from 20 to 28, most preferably from 23 to 26.
- the invention relates to the above-described macromonomer M of the general formula (I) obtainable by a method according to the invention described above m: is a number from 0 to 15, preferably 0 to 10, particularly preferably from 0.1 to 10, particularly preferably from 0.5 to 5, particularly preferably 0.5 to 3.5, particularly preferably from 0.5 to 2.5.
- the present invention relates to an abovementioned macromonomer M obtainable by the process according to the invention, where the radicals and indices of the formula (I) have the following meanings:
- k is a number from 20 to 28;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to
- m is a number from 0 to 15, preferably 0 or preferably from 0.5 to 10;
- R 1 is H or methyl
- R 2 is independently a single bond or a divalent linking group selected from the group consisting of - (CnF n) - and -O- ( ⁇ ⁇ ⁇ 2 ⁇ ) -, wherein n is a natural number from 1 to 6 and n 'is a natural number from 2 to 6;
- R 3 is independently a hydrocarbon radical with at least
- R 4 is independently H or a hydrocarbon radical with 1 to
- the present invention relates to an abovementioned macromonomer M obtainable by the process according to the invention, where the radicals and indices of the formula (I) have the following meanings:
- k is a number from 23 to 26;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to
- m is a number from 0 to 15, preferably 0 or preferably from 0.5 to 10;
- R 1 is H or methyl
- R 2 is independently a single bond or a divalent linking group selected from the group consisting of - (CnF n) - and -O- ( ⁇ ⁇ ⁇ 2 ⁇ ) -, wherein n is a natural number from 1 to 6 and n 'is a natural number from 2 to 6;
- R 3 is independently a hydrocarbon radical with at least
- R 4 is independently H or a hydrocarbon radical with 1 to
- the present invention relates to an abovementioned macromonomer M obtainable by the process according to the invention, where the radicals and indices of the formula (I) have the following meanings:
- k is a number from 23 to 26;
- I is a number from 8.5 to 17.25;
- n is a number from 0 to 15, preferably 0 or preferably 0.5 to 10;
- R 1 is H or methyl
- R 2 is independently a single bond or a divalent linking group selected from the group consisting of - (CnF n) - and -O- ( ⁇ ⁇ ⁇ 2 ⁇ ) -, wherein n is a natural number from 1 to 6 and n 'is a natural number from 2 to 6;
- R 3 is independently a hydrocarbon radical with at least
- R 4 is independently H or a hydrocarbon radical with 1 to
- the present invention relates to an abovementioned macromonomer M obtainable by the process according to the invention, where the radicals and indices of the formula (I) have the following meanings:
- k is a number from 20 to 28;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to
- m is a number from 0 to 15, preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 3 is independently a hydrocarbon radical of 2 to 4
- the sum of the carbon atoms in all hydrocarbon radicals R 3 is in the range from 15 to 60, preferably from 15 to 56, preferably from 15 to 50;
- R 4 is H.
- the present invention relates to an abovementioned macromonomer M obtainable by the process according to the invention, where the radicals and indices of the formula (I) have the following meanings: k: is a number from 23 to 26;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to
- m is a number from 0 to 15, preferably 0 or preferably from 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 3 is independently a hydrocarbon radical of 2 to 4
- the sum of the carbon atoms in all hydrocarbon radicals R 3 is in the range of 15 to 60, preferably 15 to 56, preferably 15 to 50;
- R 4 is H.
- the present invention relates to an abovementioned macromonomer M obtainable by the process according to the invention, where the radicals and indices of the formula (I) have the following meanings:
- k is a number from 23 to 26;
- I is a number from 8.5 to 17.25;
- n is a number from 0 to 15, preferably 0 or preferably 0.5 to 10;
- R is H
- R 2 is independently a divalent linking group
- R 3 is independently a hydrocarbon radical of 2 to 4
- Carbon atoms provided that the sum of carbon atoms in all hydrocarbon radicals R 3 is in the range of 25.5 to 34.5;
- R 4 is H.
- the present invention relates to a macromonomer M of the general formula (I)
- H 2 C C (R 1 ) -R 2 -O - (- CH 2 -CH 2 -O-) k - (- CH 2 -CH (R 3 ) -O-) i - (- CH 2 -CH 2 -O- ) m -R 4 (I) wherein the units (-CH 2 -CH 2 -O-) k and (-CH 2 -CH (R 3 ) -O-) i and optionally - (- CH 2 -CH 2 -0-) m are arranged in block structure in the order shown in formula (I); and the radicals and indices have the following meanings: k: is a number from 10 to 150, preferably from 10 to 50, particularly preferably from 15 to 35, particularly preferably from 20 to 28, very particularly preferably from 23 to 26;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to 25, preferably from 7 to 23, particularly preferably from 8.5 to 17.25;
- m is a number from 0 to 15, preferably from 0 to 10, particularly preferably from 0.1 to 15, preferably from 0.1 to 10, particularly preferably from 0.5 to 10, particularly preferably from 1 to 7, further preferably from 2 to 5;
- R 1 is H or methyl
- R 2 is independently a single bond or a divalent linking group selected from the group consisting of - (CnF n) - and -O- (Cn H2n ') -, wherein n is a natural number from 1 to 6 and n 'is a natural number from 2 to 6;
- R 3 is independently of one another a hydrocarbon radical having at least 2 carbon atoms, preferably having 2 to 10, more preferably having 2 to 4 carbon atoms, more preferably ethyl and / or n-propyl, or an ether group of the general formula -CH 2 -OR 3 ' , wherein R 3 'is a hydrocarbon radical having at least 2 carbon atoms;
- R 4 is independently H or a hydrocarbon radical having 1 to 4 carbon atoms.
- the invention more particularly relates to a macromonomer M defined above with m greater than 0.
- the invention relates in particular to a macromonomer M defined above, where the radicals and indices of the formula (I) have the following meanings: is a number from 0.1 to 15, preferably from 0.1 to 10, particularly preferably from 0.5 to 10, particularly preferably from 1 to 7, more preferably from 2 to 5.
- the present invention preferably relates to a macromonomer M of the general formula (I)
- H 2 C C (R 1 ) -R 2 -O - (- CH 2 -CH 2 -O-) k - (- CH 2 -CH (R 3 ) -O-) i - (- CH 2 -CH 2 -O- ) m -R 4 (I), wherein the units (-CH 2 -CH 2 -O-) k and (-CH 2 -CH (R 3 ) -O-) i and optionally
- k is a number from 20 to 28;
- I is a number from 5 to 30, preferably from 5 to 28, preferably from 5 to 25, preferably from 7 to 23;
- m is a number from 0 to 15, preferably from 0 to 10, particularly preferably from 0.1 to 15, preferably from 0.1 to 10, particularly preferably from 0.5 to 10, particularly preferably from 1 to 7, further preferably from 2 to 5;
- R is H
- R 2 is independently a divalent linking group -O- (Cn H2n ') -, where n ' is a natural number from 3 to 5,
- R 3 is independently a hydrocarbon radical having 2 or 3 carbon atoms
- R 4 is H.
- the present invention preferably relates to a macromonomer M of the general formula (I)
- H 2 C C (R 1 ) -R 2 -O - (- CH 2 -CH 2 -O-) k - (- CH 2 -CH (R 3 ) -O-) i - (- CH 2 -CH 2 -O- ) m -R 4 (I), wherein the units (-CH 2 -CH 2 -O-) k and (-CH 2 -CH (R 3 ) -O-) i and optionally
- k is a number from 23 to 26;
- I is a number from 5 to 30, preferably 5 to 28, preferably from 5 to 25, preferably from 7 to 23;
- m is a number from 0 to 15, preferably from 0 to 10, particularly preferably from 0.1 to 15, preferably from 0.1 to 10, particularly preferably from 0.5 to 10, particularly preferably from 1 to 7, further preferably from 2 to 5;
- R is H
- R 2 is independently a divalent linking group -O- (Cn H 2 n ') -, where n ' is a natural number from 3 to 5,
- R 3 is independently a hydrocarbon radical having 2 or 3 carbon atoms
- R 4 is H.
- the present invention preferably relates to a macromonomer M of the general formula (I)
- H 2 C C (R 1 ) -R 2 -O - (- CH 2 -CH 2 -O-) k - (- CH 2 -CH (R 3 ) -O-) i - (- CH 2 -CH 2 -0-) m -R 4 (I), wherein the units (-CH 2 -CH 2 -O-) k and (-CH 2 -CH (R 3 ) -O-) i and optionally
- I is a number from 8.5 to 17.25;
- m is a number from 0 to 15, preferably 0 to 10, particularly preferably from 0.1 to 10, particularly preferably from 0.5 to 5, particularly preferably 0.5 to 2.5;
- R is H
- R 2 is independently a divalent linking group -O- (Cn H2n ') -, where n ' is a natural number from 3 to 5,
- R 3 is independently a hydrocarbon radical having 2 or 3 carbon atoms
- R 4 is H.
- the macromonomers M according to the invention can be reacted with other monoethylenically unsaturated, hydrophilic monomers (b) to give copolymers.
- These water-soluble hydrophobically associating copolymers typically comprise the following monomers:
- (B) 25 wt .-% to 99.9 wt .-% of at least one different, monoethylenically unsaturated, hydrophilic monomer (b), wherein the amounts are in each case based on the total amount of all monomers in the copolymer.
- the hydrophilic monomers (b) comprise, in addition to an ethylenic group, one or more hydrophilic groups. These impart sufficient water solubility to the copolymer of the invention because of their hydrophilicity.
- the hydrophilic groups are, in particular, functional groups which comprise O and / or N atoms. In addition, they may comprise as heteroatoms in particular S and / or P atoms.
- the monomers (b) are particularly preferably miscible with water in any desired ratio, but it is sufficient for carrying out the invention that the hydrophobically associating copolymer according to the invention has the water solubility mentioned in the beginning.
- the solubility of the monomers (b) in water at room temperature should be at least 100 g / l, preferably at least 200 g / l and particularly preferably at least 500 g / l.
- C 0, ether groups -O-, in particular polyethylene oxide groups - (CH 2 -CH 2 -O-) n -, where n is preferably a number of 1 up to 200 stands, hydroxy groups -OH, primary, secondary or tertiary amino groups, ammoni
- Examples of preferred functional groups include hydroxy groups -OH, carboxyl groups -COOH, sulfonic acid groups -SO3H, carboxamide groups -C (0) -NH2, amide groups -C (O) -NH- and polyethylene oxide groups - (CH2-CH2-O-) n -H, where n is preferably from 1 to 200.
- the functional groups may be attached directly to the ethylenic group, or linked to the ethylenic group via one or more linking hydrocarbon groups.
- hydrophilic monomers (b) are preferably monomers of the general formula (IV)
- H 2 C C (R 5 ) R 6 (IV) wherein R 5 is H or methyl and R 6 is one or more of the above hydrophilic group (s).
- the at least one monomer (b) can be selected from the group consisting of acrylic acid, methacrylic acid, crotonic acid, itaconic acid, maleic acid, fumaric acid, vinylsulfonic acid, allylsulfonic acid, 2-acrylamido-2-methylpropanesulfonic acid (AMPS), 2-methacrylamido-2-methylpropanesulfonic acid , 2-acrylamidobutanesulfonic acid, 3-acrylamido-3-methyl-butanesulfonic acid, 2-acrylamido-2,4,4-trimethylpentanesulfonic acid, vinylphosphonic acid, allylphosphonic acid, N- (meth) acrylamidoalkylphosphonic acids and (meth) acryloyloxyalkylphosphonic acids.
- AMPS 2-acrylamido-2-methylpropanesulfonic acid
- 2-methacrylamido-2-methylpropanesulfonic acid 2-acrylamidobutanesulfonic acid
- At least one of the monomers (b) is preferably a monomer selected from the group of (meth) acrylic acid, vinylsulfonic acid, allylsulfonic acid or 2-acrylamido-2-methylpropanesulfonic acid (AMPS), particularly preferably acrylic acid and / or APMS or their salts.
- APMS 2-acrylamido-2-methylpropanesulfonic acid
- At least one of the monomers (b) is preferably a monomer selected from the group of (meth) acrylic acid, vinylsulfonic acid, allylsulfonic acid or 2-acrylamido-2-methylpropanesulfonic acid (AMPS), particularly preferably acrylic acid and / or AMPS or their salts.
- APMS 2-acrylamido-2-methylpropanesulfonic acid
- the invention relates to a copolymer comprising at least two different hydrophilic monomers (b), which is at least one neutral hydrophilic monomer (b1), and at least one hydrophilic anionic monomer (b2), which at least one acidic group selected from the group -COOH, -SO3H and -PO3H2 (or their salts). It is preferably a copolymer which comprises acrylamide as monomer (b1) and monomer comprising acidic groups as monomer (b2).
- It is preferably a copolymer which comprises acrylamide as monomer (b1) and monomer comprising acidic groups as monomer (b2), the acidic group being -SO3H.
- it is preferably a copolymer which comprises acrylamide as monomer (b1) and 2-acrylamido-2-methylpropanesulfonic acid (AMPS) as monomer (b2).
- AMPS 2-acrylamido-2-methylpropanesulfonic acid
- it is a copolymer comprising as monomer (b1) acrylamide and at least two further different acidic groups comprising monomers (b2). More preferably, it is a copolymer comprising as monomer (b1) acrylamide and monomers (b2) comprising acidic groups, a monomer comprising the group -SO3H and a monomer comprising the group -COOH.
- it is a copolymer which comprises acrylamide as monomer (b1) and acrylic acid as monomer (b2).
- it is a copolymer comprising as monomer (b1) acrylamide, as monomers (b2) 2-acrylamido-2-methylpropanesulfonic acid (AMPS) and a monomer comprising the group -COOH. Further preferably, it is a copolymer comprising as monomer (b1) acrylamide, as monomers (b2) 2-acrylamido-2-methylpropanesulfonic acid (AMPS) and acrylic acid.
- the amount of monomers (b) in the copolymer according to the invention is from 25 to 99.9% by weight, based on the total amount of all monomers in the copolymer, preferably from 25 to 99.5% by weight.
- the exact amount will depend on the nature and intended use of the hydrophobically associating copolymers and will be determined by one skilled in the art.
- (b) 40 to 60% by weight of acrylamide and 40 to 60% by weight of acrylamido-2-methylpropanesulfonic acid (AMPS) as the monoethylenically unsaturated, hydrophilic monomer (b).
- AMPS acrylamido-2-methylpropanesulfonic acid
- the hydrophobically associating copolymers according to the invention therefore comprise, in addition to the hydrophobic groups already mentioned, hydrophilic groups in such an amount that the described water solubility is ensured at least in the pH ranges intended for the respective application.
- the reactions were carried out so that the target fill level at the end of the alkoxylation was about 65% of the reactor volume.
- the potassium methoxide (KOMe) solution (32% KOMe in methanol (MeOH)) was fed and the stirred tank to a pressure of 10 - 20 mbar evacuated, heated to 65 ° C, 70 min at 65 ° C and a Pressure of 10 - 20 mbar operated. MeOH was distilled off.
- KOMe potassium methoxide
- the potassium methoxide (KOMe) solution (32% KOMe in methanol (MeOH)) was fed and the stirred tank to a pressure of 10 - 20 mbar evacuated, heated to 65 ° C, 70 min at 65 ° C and a Pressure of 10 - 20 mbar operated. MeOH was distilled off.
- KOMe potassium methoxide
- the potassium methoxide (KOMe) solution (32% KOMe in methanol (MeOH)) was fed and the stirred tank to a pressure of 10 - 20 mbar evacuated, heated to 65 ° C, 70 min at 65 ° C and a Pressure of 10 - 20 mbar operated. MeOH was distilled off.
- KOMe potassium methoxide
- Example M4 HBVE - 22 EO - 10 PeO (0.4 mol% potassium ion, 4.6 mol% sodium ion), addition of the PeO at 127 ° C to 2.1 bar
- the starting material used was macromonomer M1 from Example M1. 745 g (0.69 mol) of HBVE-22 EO were placed in a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 5.36 g of 32% NaOMe in MeOH solution (0.0317 mol NaOMe, 1.71 g NaOMe) was added, vacuum of ⁇ 10 mbar applied, heated to 80 ° C and held for 80 min. To the MeOH distill.
- the starting material used was macromonomer M1 from Example M1. 650 g (0.60 mol) of HBVE-22 EO were introduced into a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 5.96 g of 25% NaOMe in MeOH solution (0.0276 mol NaOMe, 1.49 g NaOMe) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to the MeOH distill.
- the preparation was carried out analogously to Example M6, with the difference that the catalyst concentration was 0.9 mol% potassium ions and 4.1 mol% sodium ions and that 10 instead of 1 1 eq PeO were added.
- the preparation was carried out analogously to Example M6, with the difference that the catalyst concentration was 1.5 mol% of potassium ions and 4.1 mol% of sodium ions, and 10 instead of 1 l eq of PeO were added.
- the starting material used was macromonomer M1 from Example M1.
- 684.0 g (0.631 mol) of HBVE-22 EO were placed in a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 2.78 g of 50% NaOH (sodium hydroxide) solution (0.0348 mol NaOH, 1.39 g NaOH) was added, a vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water.
- Example M1 1 HBVE - 24.5 EO - 9 PeO (0.4 mol% potassium ions, 5.5 mol% sodium ions), addition of the PeO at 127 ° C to 2.1 bar
- the starting material used was macromonomer M1 from Example M1. 889.2 g (0.820 mol) of HBVE-22 EO were introduced into a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 9.69 g of 32% KOMe in MeOH solution (0.0443 moles of KOMe, 3.1 1 g of KOMe) were added, vacuum of ⁇ 10 mbar applied, heated to 80 ° C and held for 80 min To distill off MeOH.
- Example M10 The preparation was carried out analogously to Example M10 with the difference that, starting from HBVE -22 EO, 4.5 eq of EO were added instead of 2.5 eq of EO.
- Example M17 HBVE - 24.5 EO - 10 BuO (0.4 mol% potassium ions, 5.5 mol%
- the starting material used was monomer M1 from example M1. 730.8 g (0.674 mol) of HBVE-22 EO were placed in a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 2.97 g of 50% NaOH solution (0.0371 mol NaOH, 0.85 g NaOH) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water ,
- BuO butylene oxide
- Example M20 HBVE - 24.5 EO - 16 BuO (0.4 mol% potassium ion, 5.5 mol%
- the starting material used was monomer M1 from example M1. 622.8 g (0.575 mol) of HBVE-22 EO were introduced into a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 6.92 g of 32% KOM in MeOH solution (0.0316 moles of KOM, 2.21 g of KOMe) was added, vacuum of ⁇ 10 mbar applied, heated to 80 ° C and held for 80 min to the methanol distill.
- the starting material used was monomer M1 from example M1.
- a 2 l pressure autoclave with anchor stirrer 595.1 g (0.549 mol) of HBVE-22 EO were submitted and the stirrer is switched on. Thereafter, 4.83 g of 50% NaOH solution (0.060 mol NaOH, 2.41 g NaOH) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water.
- the starting material used was monomer M1 from example M1. 576.7 g (0.532 mol) of HBVE-22 EO were introduced into a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 2.33 g of 50% NaOH solution (0.029 mol NaOH, 1.17 g NaOH) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water.
- the starting material used was monomer M1 from example M1. 588.6 g (0.543 mol) of HBVE-22 EO were introduced into a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 2.39 g of 50% NaOH solution (0.030 mol NaOH, 1.19 g NaOH) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water.
- the starting material used was monomer M1 from example M1.
- 685.2 g (0.632 mol) of HBVE-22 EO were introduced into a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 2.78 g of 50% NaOH solution (0.035 mol NaOH, 1.39 g NaOH) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water.
- the starting material used was monomer M1 from example M1.
- 822.0 g (0.758 mol) of HBVE-22 EO were placed in a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 3.34 g of 50% NaOH solution (0.042 mol NaOH, 1.67 g NaOH) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water.
- the starting material used was monomer M1 from example M1.
- HBVE-22 EO HBVE-22 EO were submitted and turned on the stirrer. Thereafter, 2.00 g of 50% NaOH solution (0.025 mol NaOH, 1.00 g NaOH) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water.
- Example M30 HBVE - 24.5 EO - 16 BuO - 3.5 EO (0.4 mol% potassium ion, 5.5 mol.
- the starting material used was monomer M1 from Example M1 568.6 g (0.525 mol) of HBVE-22 EO were introduced into a 2 l pressure autoclave with anchor stirrer and the stirrer was switched on. Thereafter, 2.31 g of 50% NaOH solution (0.029 mol NaOH, 1.16 g NaOH) was added, vacuum of ⁇ 10 mbar applied, heated to 100 ° C and held for 80 min to distill off the water.
- P ma x continued to be 6 bar (first release after 505 g BuO, total dosing time BuO 1 1 h incl. Relaxation break). After the end of the BuO dosage was allowed to react for 6 h at 127 ° C. One relaxed to 4 bar absolute.
- Example C1 General preparation of a copolymer of 2% by weight of macromonomer M,
- the monomer solution was adjusted to the starting temperature of 5 ° C.
- the total amount of water was such that, after polymerization, a solids concentration of about 30 to 36 wt .-% was achieved.
- the solution was transferred to a thermos flask, a thermocouple attached for temperature recording and purged with N 2 for 30 minutes.
- the polymerization was then carried out by adding 1.6 ml of a 10% aqueous solution of a water-soluble, cationic azo initiator 2,2'-azobis (2-amidinopropane) dihydrochloride (Wako V-50), 0.12 ml a 1% aqueous solution of ferric butyl hydroperoxide and 0.24 ml of a 1% sodium sulfite solution. After addition of the initiators, the temperature rose within 15 to 30 minutes to about 80 ° C. After 30 minutes, the reaction vessel was placed in a drying oven of about 80 ° C for about 2 h to complete the polymerization. The total duration of the polymerization was about 2 hours to 2.5 hours.
- the copolymer was obtained according to the above general preparation procedure by using macromonomer from Comparative Example M2.
- copolymers C3 to C30 were prepared according to the above general instructions by using the respective monomers M3 to M30.
- copolymers were dissolved in synthetic seawater according to DIN 50900 (35 g / l salinity) so that a polymer concentration of 2000 ppm resulted: 0.5 g of the respective copolymer were in 249 g of synthetic seawater (DIN 50900) 24 h to complete Dissolve stirring (as a KPG stirrer, a paddle stirrer should preferably be used, the polymer was slowly sprinkled into the forming vortex). b) Determination of viscosity
- the filtration test for determining the MPFR value - the ratio of the flow rate of the first quarter to that of the fourth quarter represents the so-called "Millipore Filter Ratio" (MPFR) - was determined using a Satorius pressure filtration cell 16249 (filter diameter 47 mm) and an Isopore polycarbonate Membrane filter (diameter 47 mm, 3 ⁇ pore size) carried out at room temperature and 1 bar overpressure. 210-220 g of polymer solution was used. During the test, at least 180 g of filtrate should be released within 30 minutes. As good values, MPFRs of less than or equal to 1.3 were considered. If they are between 1, 3 and 1, 6, the filterability was considered moderate. If less than 30 g of filtrate passed through, the sample was considered non-filterable. d) Determination of gel content
- Examples 2 and 3 show that the pressure window for the PeO dosage at 140 ° C has a great influence on the product quality.
- a larger pressure window allows fast dosage and short cycle time (2 h for PeO).
- the reaction will be protracted (2 days for PeO).
- Example 4 shows that by lowering the reaction temperature while maintaining the small pressure window copolymers can be prepared which are free of crosslinking agents.
- the concentration of potassium ions is of central importance.
- the examples 9 and 12 show, above 0.9 mol% potassium ions, the polymer is no longer filterable despite temperatures of 127 ° C in the PeO dosage.
- a potassium ion concentration of greater than 0.9 mol% obviously leads to the formation of crosslinking compounds, which lead to a no longer filterable copolymer.
- the exact content of sodium ion catalyst also seems to play an important role.
- the hydrophilic-hydrophobic ratio of the macromonomer is also of great importance.
- the copolymer according to Example 5 is slightly poorer in filtration than copolymers based on macromonomers with only 1 eq PeO less (Example 4).
- the variation of the PeO units has no influence on the filterability of the copolymers (comparison of Examples 6 and 7 and comparison of Examples 10 and 11).
- Example 23 shows that the concentration of sodium ions in the addition of the butylene oxide can be at least up to 1 1 mol%.
- Example 30 shows that even at pressures of 4 to 6 bar, the addition of butylene oxide is advantageously possible.
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Abstract
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EP3098381A1 (fr) | 2015-05-28 | 2016-11-30 | Basf Se | Formulation comprenant au moins un copolymère à associations hydrophobes, agent de réticulation et agent de soutènement |
ES2738673T3 (es) * | 2015-07-22 | 2020-01-24 | Basf Se | Formulación de sustancias agroquímicas con copolímeros que contienen hidroxibutilviniléter como espesante asociativo |
EA201890549A1 (ru) * | 2015-09-02 | 2018-09-28 | Басф Се | Применение гидрофобно-ассоциирующих сополимеров в качестве связующих веществ для окомковывания металлосодержащих руд |
WO2017197066A1 (fr) * | 2016-05-11 | 2017-11-16 | Basf Se | Composition agricole aqueuse dotée de performances de dérive améliorées |
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EP3587533A1 (fr) | 2018-06-22 | 2020-01-01 | Basf Se | Polymères à auto-protection pour la récupération de pétrole |
US20210317249A1 (en) * | 2018-07-17 | 2021-10-14 | Polyanalytik Inc. | Synthetic method for the preparation of rheological modifying polymers and the use thereof |
US11332563B2 (en) | 2018-07-30 | 2022-05-17 | Ecolab Usa Inc. | Fast dissolving, water soluble, hydrophobically-modified polyelectrolytes |
US11220624B2 (en) | 2018-07-30 | 2022-01-11 | Championx Usa Inc. | Salt-tolerant, fast-dissolving, water-soluble rheology modifiers |
US20210347976A1 (en) | 2018-10-17 | 2021-11-11 | Basf Se | Additives to stabilize polyacrylamide co-polymer solutions under high shear conditions |
WO2020079123A1 (fr) | 2018-10-18 | 2020-04-23 | Basf Se | Procédé de fracturation de formations souterraines à l'aide de solutions aqueuses comportant des copolymères à association hydrophobe |
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WO2020084033A1 (fr) | 2018-10-26 | 2020-04-30 | Basf Se | Copolymères s'associant de manière hydrophobe pour le transport tertiaire de pétrole comprenant des monomères dotés d'unités propylènoxy |
WO2021037578A1 (fr) | 2019-08-26 | 2021-03-04 | Basf Se | Procédé de fabrication de nvp contenant des polyacrylamides |
WO2021037579A1 (fr) | 2019-08-26 | 2021-03-04 | Basf Se | Procédé de fabrication de polyacrylamides contenant de la nvp |
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WO2022106308A1 (fr) | 2020-11-23 | 2022-05-27 | Basf Se | Procédé de fabrication de copolymères contenant de la nvp hydrosolubles sous forme de poudre |
MX2024005842A (es) | 2021-11-15 | 2024-05-27 | Basf Se | Metodo para aumentar la eficacia de un herbicida. |
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DE3925220C1 (fr) | 1989-07-29 | 1991-01-03 | Th. Goldschmidt Ag, 4300 Essen, De | |
DE4325237A1 (de) | 1993-07-28 | 1995-02-02 | Basf Ag | Verfahren zur Herstellung von Alkoxylierungsprodukten in Gegenwart von mit Additiven modifizierten Mischhydroxiden |
US5874495A (en) | 1994-10-03 | 1999-02-23 | Rhodia Inc. | Polymers useful as PH responsive thickeners and monomers therefor |
DE10037629A1 (de) | 2000-08-02 | 2002-02-14 | Skw Bauwerkstoffe Deutschland | Wasserlösliche oder wasserquellbare sulfogruppenhaltige assoziativverdickende Copolymere, Verfahren zu deren Herstellung und deren Verwendung |
RU2205198C1 (ru) * | 2001-11-28 | 2003-05-27 | ООО Научно-производственная компания "Многофункциональные реагенты и технологии" | Состав для повышения нефтеотдачи продуктивных пластов, интенсификации технологических процессов нефтедобычи и снижения гидравлических сопротивлений при транспорте нефти |
DE10243361A1 (de) | 2002-09-18 | 2004-04-01 | Basf Ag | Alkoxylatgemische und diese enthaltende Waschmittel |
WO2003091190A1 (fr) | 2002-04-26 | 2003-11-06 | Basf Aktiengesellschaft | Melanges d'alkoxylate et lessives les contenant |
DE102004032304A1 (de) | 2004-07-03 | 2006-02-16 | Construction Research & Technology Gmbh | Wasserlösliche sulfogruppenhaltige Copolymere, Verfahren zu deren Herstellung und ihre Verwendung |
JP5108951B2 (ja) | 2007-10-25 | 2012-12-26 | ビーエーエスエフ ソシエタス・ヨーロピア | 活性のある水素原子を有する不飽和開始剤からのポリエーテルアルコールの製造方法 |
US8362180B2 (en) * | 2009-05-20 | 2013-01-29 | Basf Se | Hydrophobically associating copolymers |
MY152754A (en) | 2009-05-20 | 2014-11-28 | Basf Se | Hydrophobically associating copolymers |
EP2287216A1 (fr) | 2009-08-06 | 2011-02-23 | Basf Se | Polymères associatifs hydrosolubles |
WO2011040377A1 (fr) * | 2009-09-29 | 2011-04-07 | 株式会社クラレ | Epaississant qui contient un polymère d'alcool vinylique |
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EP2457973A1 (fr) * | 2010-11-24 | 2012-05-30 | Basf Se | Utilisation d'un copolymère hydrosoluble à association hydrophobe comme additif dans des applications spécifiques de champs pétroliers |
BR112013012871A2 (pt) * | 2010-11-24 | 2016-09-06 | Basf Se | processo para produção de óleo mineral |
CN102146159A (zh) * | 2010-11-24 | 2011-08-10 | 辽宁奥克化学股份有限公司 | 一种乙烯基聚醚及其制备方法和应用 |
EA024382B1 (ru) * | 2011-04-08 | 2016-09-30 | Басф Се | Способ добычи нефти из подземных пластов |
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